Analysis
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max time kernel
203s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23/11/2022, 22:05
Static task
static1
Behavioral task
behavioral1
Sample
c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
Resource
win10v2004-20220812-en
General
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Target
c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
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Size
433KB
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MD5
35797677ce25d743546bf9bac87c255c
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SHA1
608b5fe7326cd57be1c7e71e33939aa70b1eca2c
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SHA256
c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781
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SHA512
2dcc6a1accab412006082f8e713278dd4f8eb05fef92d0fb97a883cfb6bf5c06bb3fe15150f520f9b6b307dd8d9957ff857b47da605dd7495ff003ecdc865698
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SSDEEP
12288:x57qSYh+Tu1lxHxCgpcAnirLS9Mm5fmXHdI3:n7jYhcExN0i9MsfYA
Malware Config
Extracted
xtremerat
gaetano1997.no-ip.org
Signatures
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Detect XtremeRAT payload 6 IoCs
resource yara_rule behavioral1/memory/2024-70-0x0000000010000000-0x0000000010050000-memory.dmp family_xtremerat behavioral1/memory/2024-71-0x0000000010000000-0x0000000010050000-memory.dmp family_xtremerat behavioral1/memory/520-75-0x0000000000000000-mapping.dmp family_xtremerat behavioral1/memory/520-77-0x0000000010000000-0x0000000010050000-memory.dmp family_xtremerat behavioral1/memory/2024-79-0x0000000010000000-0x0000000010050000-memory.dmp family_xtremerat behavioral1/memory/520-80-0x0000000010000000-0x0000000010050000-memory.dmp family_xtremerat -
XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
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resource yara_rule behavioral1/memory/2024-61-0x0000000010000000-0x0000000010050000-memory.dmp upx behavioral1/memory/2024-63-0x0000000010000000-0x0000000010050000-memory.dmp upx behavioral1/memory/2024-64-0x0000000010000000-0x0000000010050000-memory.dmp upx behavioral1/memory/2024-69-0x0000000010000000-0x0000000010050000-memory.dmp upx behavioral1/memory/2024-70-0x0000000010000000-0x0000000010050000-memory.dmp upx behavioral1/memory/2024-71-0x0000000010000000-0x0000000010050000-memory.dmp upx behavioral1/memory/520-77-0x0000000010000000-0x0000000010050000-memory.dmp upx behavioral1/memory/2024-79-0x0000000010000000-0x0000000010050000-memory.dmp upx behavioral1/memory/520-80-0x0000000010000000-0x0000000010050000-memory.dmp upx -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\531images.jpg DllHost.exe File created C:\Windows\SysWOW64\531images.jpg.exe c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe File created C:\Windows\SysWOW64\531images.jpg c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2044 set thread context of 2024 2044 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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NTFS ADS 3 IoCs
description ioc Process File created C:\ProgramData:$SS_DESCRIPTOR_SBXNV9VVGV1BFP8GTV1HBABGTVL64MF9MC9TJMJFSVF7VBCVPJGV c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe File created C:\ProgramData\DYA_PPHDTFHSLSSKOHJCD\1.0.0:$SS_DESCRIPTOR_SBXNV9VVGV1BFP8GTV1HBABGTVL64MF9MC9TJMJFSVF7VBCVPJGV c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe File created C:\Users\Public\Desktop:$SS_DESCRIPTOR_SBXNV9VVGV1BFP8GTV1HBABGTVL64MF9MC9TJMJFSVF7VBCVPJGV c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1548 DllHost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2044 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2044 wrote to memory of 2024 2044 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 28 PID 2044 wrote to memory of 2024 2044 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 28 PID 2044 wrote to memory of 2024 2044 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 28 PID 2044 wrote to memory of 2024 2044 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 28 PID 2044 wrote to memory of 2024 2044 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 28 PID 2044 wrote to memory of 2024 2044 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 28 PID 2044 wrote to memory of 2024 2044 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 28 PID 2044 wrote to memory of 2024 2044 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 28 PID 2024 wrote to memory of 520 2024 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 29 PID 2024 wrote to memory of 520 2024 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 29 PID 2024 wrote to memory of 520 2024 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 29 PID 2024 wrote to memory of 520 2024 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 29 PID 2024 wrote to memory of 520 2024 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 29 PID 2024 wrote to memory of 1704 2024 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 30 PID 2024 wrote to memory of 1704 2024 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 30 PID 2024 wrote to memory of 1704 2024 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 30 PID 2024 wrote to memory of 1704 2024 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 30 PID 2024 wrote to memory of 1704 2024 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe"C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe"1⤵
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵PID:520
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵PID:1704
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}1⤵
- Drops file in System32 directory
- Suspicious use of FindShellTrayWindow
PID:1548
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
11KB
MD57ca7c0fe6ec8dfab1bfd88898c6c5393
SHA1017338f40cf8ed6c67597dd905454d73c70cb10a
SHA2565c4d63786705827d9450afef145e96cda8ce854d98cf5598cf28409fdbf26e94
SHA512b18f2b458b4ffd24537350f894aeeaa67f474eab7c340a50ea1ebf4499a8cc4dfcf79c5c18e350495e5a93bad5cac97bdc7b8e2bb0bceb17d9eb83dba3ec990a